diff options
Diffstat (limited to 'drivers/crypto/caam/caamalg_qi.c')
| -rw-r--r-- | drivers/crypto/caam/caamalg_qi.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/crypto/caam/caamalg_qi.c b/drivers/crypto/caam/caamalg_qi.c index aa0423a..4334f82 100644 --- a/drivers/crypto/caam/caamalg_qi.c +++ b/drivers/crypto/caam/caamalg_qi.c @@ -2109,6 +2109,7 @@ static int caam_cra_init(struct crypto_tfm *tfm) SHA384_DIGEST_SIZE, SHA512_DIGEST_SIZE }; + u8 op_id; /* * distribute tfms across job rings to ensure in-order @@ -2129,11 +2130,20 @@ static int caam_cra_init(struct crypto_tfm *tfm) * Need authsize, in case setauthsize callback not called * by upper layer (e.g. TLS). */ - if (caam_alg->alg_op) - ctx->authsize = digest_size[(ctx->alg_op & - OP_ALG_ALGSEL_SUBMASK) >> OP_ALG_ALGSEL_SHIFT]; - else + if (caam_alg->alg_op) { + op_id = (ctx->alg_op & OP_ALG_ALGSEL_SUBMASK) + >> OP_ALG_ALGSEL_SHIFT; + if (op_id < ARRAY_SIZE(digest_size)) { + ctx->authsize = digest_size[op_id]; + } else { + dev_err(ctx->jrdev, "incorrect op_id %d; must be less than %d\n", + op_id, ARRAY_SIZE(digest_size)); + caam_jr_free(ctx->jrdev); + return -EINVAL; + } + } else { ctx->authsize = 0; + } ctx->qidev = priv->qidev; |